Ịse Ihe osise
Achọrọ 400M:
Nhazi ntọala
Asphalt ntọala chọrọ
Ụlọ ọrụ mmiri
Ntinye akụkụ agbakwunyere:
Ihe achọrọ asphalt dị elu:
1. Jiri ihe mgbakwasị ụkwụ na mmiri na-ekpuchi elu ala ma mechie oghere dị na kọmpat asphalt.
2. Mee nyocha mmiri iji chọpụta ihe ịda mbà n'obi.
3. Jiri ihe ndị dị na mmiri na-eme ka mmiri na-ejupụta ala ịda mbà n'obi, ma jiri ogologo oge karịa ngwaahịa ahụ.
Ogwe kwụ ọtọ nke nwere obosara mmiri nke 2m kwesịrị ịkachasị ya ugboro ugboro na-enweghị ọkpụkpụ ọ bụla.ebili mmiri na-adịghị agbanwe agbanwe.
4. Gbalịa mee ka mkpọda dị ka ntụziaka drainage si dị.
5. Jiri nkume grinder na-egweri elu convexity.
6. The dum igwe na-egbu maramara na-etolite a ire ụtọ, idiocha na ike ike elu, mfe ijikọ isi elu ike.
Simenti:
1. Lelee flatness nke ntọala,
2. Jiri nkume grinder na-egweri elu convexity,
3. Mejue ebe ezumike dị ala na ihe ndabere mmiri,
4. Na-ehicha, bee ma na-ekpochapụ nkwonkwo mgbasawanye n'ime ọnụ nke V, n'ime ime ahụ jupụtara na ụfụfụ ụfụfụ ma jupụta na gluu ọkachamara ọkachamara.
5. Mgbe n'ozuzu larịị, elu ga-ọkachamara waterproofed.
Nwụnye:
Kedu akụrụngwa egwuregwu kwesịrị ịkwado maka usoro egwu na ubi ubi 400m:
Mwụli elu na ịwụli elu
Ogwe osisi
Metal okirikiri maka Hama
Nhazi nke Achors maka IAAF nnabata nnabata
Ihe mgbochi aluminom nwere ike ịpụpụ
